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Finding the Fourth Proportional to 63,643.50, 95,509.08 and 22,090.50

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Solution

The fourth proportional to 63,643.50, 95,509.08 and 22,090.50 is: 33,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.50 : 95,509.08 = 22,090.50 : x
  2. Step 2: Convert to fraction form
    63,643.50/95,509.08 = 22,090.50/x
  3. Step 3: Cross multiply
    63,643.50x = 95,509.08 × 22,090.50
  4. Step 4: Simplify right side
    63,643.50x = 2,109,843,331.74
  5. Step 5: Solve for x
    x = 2,109,843,331.74/63,643.50
  6. Step 6: Final answer
    x = 33,150.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.